initial commit. phase 1 complete

frontend/node_modules/jsx-ast-utils/src/values/expressions/Identifier.js

@@ -0,0 +1,28 @@
+const JS_RESERVED = {
+  Array,
+  Date,
+  Infinity,
+  Math,
+  Number,
+  Object,
+  String,
+  undefined,
+};
+
+/**
+ * Extractor function for a Identifier type value node.
+ * An Identifier is usually a reference to a variable.
+ * Just return variable name to determine its existence.
+ *
+ * @param - value - AST Value object with type `Identifier`
+ * @returns - The extracted value converted to correct type.
+ */
+export default function extractValueFromIdentifier(value) {
+  const { name } = value;
+
+  if (Object.hasOwnProperty.call(JS_RESERVED, name)) {
+    return JS_RESERVED[name];
+  }
+
+  return name;
+}